Acoustic instruments radiate sound in a wonderfully complex, 360 degree fashion, while conventional loudspeakers radiate in a much more boring, spotlight of sound. Follow these instructions to build a spherical array out of IKEA salad bowls and surplus automotive speakers.
semi-permanent installation for enhanced solar garden lamps (2006)
To go with the Speaker Sphere, I put a four channel, class D amplifier into a lunchbox. Speakers are Go! I used an amplifier from Sure Electronics, which I got on ebay. 4×100 watts for $50. I’m pretty pleased. I’m using a similar board for my car stereo.
Intergalactose Scream: Make a milk-bottle megaphone in Buckley, Patrick and Lily Binns, eds. The Hungry Scientist Handbook (HarperCollins Publishers: New York, 2008) pp. 74-82.
PID Controller implemented in Max
I wrapped Tim Kreger’s p5 glove code in a Max external and put it here: http://www.mikezed.com/max_patches/p5glove.zip This is a UB version. I will not be making a windows version. It is fatally flawed, and will kick your puppy and steal your girl. I probably won’t have time to fix any bugs. cheers, mz